First read here how to use the riff box:
http://forum.gsmhosting.com/vbb/f634...-read-1111319/
Then you download the dll for i9100 which is the phone you want to repair, and in that, procedures are written with pictures.
Some info about I9100 resurrecting :
http://forum.gsmhosting.com/vbb/f634...ml#post7575858